For a simpler workaround, delete the mons you plan to remove before removing the unit.
On the unit you want to remove: service ceph-mon stop ceph mon remove `hostname`
The charms will take care of cleaning up ceph.conf and removing mgrs.
For a simpler workaround, delete the mons you plan to remove before removing the unit.
On the unit you want to remove:
service ceph-mon stop
ceph mon remove `hostname`
The charms will take care of cleaning up ceph.conf and removing mgrs.